SelectExpression.Update 方法

参考

定义

命名空间:: Microsoft.EntityFrameworkCore.Query.SqlExpressions

程序集:: Microsoft.EntityFrameworkCore.Relational.dll

包:: Microsoft.EntityFrameworkCore.Relational v6.0.0

包:: Microsoft.EntityFrameworkCore.Relational v7.0.0

包:: Microsoft.EntityFrameworkCore.Relational v8.0.0

包:: Microsoft.EntityFrameworkCore.Relational v5.0.0

包:: Microsoft.EntityFrameworkCore.Relational v3.0.0

包:: Microsoft.EntityFrameworkCore.Relational v3.1.0

重要

一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。

重载

Update(IReadOnlyList<ProjectionExpression>, IReadOnlyList<TableExpressionBase>, SqlExpression, IReadOnlyList<SqlExpression>, SqlExpression, IReadOnlyList<OrderingExpression>, SqlExpression, SqlExpression)	创建一个新的表达式，它类似于此表达式，但使用所提供的子级。如果所有子级均相同，它将返回此表达式。
Update(List<ProjectionExpression>, List<TableExpressionBase>, SqlExpression, List<SqlExpression>, SqlExpression, List<OrderingExpression>, SqlExpression, SqlExpression)	创建一个新的表达式，它类似于此表达式，但使用所提供的子级。如果所有子级均相同，它将返回此表达式。
Update(IReadOnlyList<ProjectionExpression>, IReadOnlyList<TableExpressionBase>, SqlExpression, IReadOnlyList<SqlExpression>, SqlExpression, IReadOnlyList<OrderingExpression>, SqlExpression, SqlExpression, Boolean, String)	已过时. 创建一个新的表达式，它类似于此表达式，但使用所提供的子级。如果所有子级均相同，它将返回此表达式。
Update(List<ProjectionExpression>, List<TableExpressionBase>, SqlExpression, List<SqlExpression>, SqlExpression, List<OrderingExpression>, SqlExpression, SqlExpression, Boolean, String)	已过时. 创建一个新的表达式，它类似于此表达式，但使用所提供的子级。如果所有子级均相同，它将返回此表达式。

Update(IReadOnlyList<ProjectionExpression>, IReadOnlyList<TableExpressionBase>, SqlExpression, IReadOnlyList<SqlExpression>, SqlExpression, IReadOnlyList<OrderingExpression>, SqlExpression, SqlExpression)

创建一个新的表达式，它类似于此表达式，但使用所提供的子级。如果所有子级均相同，它将返回此表达式。

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression Update (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.ProjectionExpression> projections, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase> tables, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? predicate, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> groupBy, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? having, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.OrderingExpression> orderings, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? limit, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? offset);

member this.Update : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.ProjectionExpression> * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.OrderingExpression> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression

Public Function Update (projections As IReadOnlyList(Of ProjectionExpression), tables As IReadOnlyList(Of TableExpressionBase), predicate As SqlExpression, groupBy As IReadOnlyList(Of SqlExpression), having As SqlExpression, orderings As IReadOnlyList(Of OrderingExpression), limit As SqlExpression, offset As SqlExpression) As SelectExpression

参数

projections: IReadOnlyList<ProjectionExpression>

结果的 Projection 属性。

tables: IReadOnlyList<TableExpressionBase>

结果的 Tables 属性。

predicate: SqlExpression

结果的 Predicate 属性。

groupBy: IReadOnlyList<SqlExpression>

结果的 GroupBy 属性。

having: SqlExpression

结果的 Having 属性。

orderings: IReadOnlyList<OrderingExpression>

结果的 Orderings 属性。

limit: SqlExpression

结果的 Limit 属性。

offset: SqlExpression

结果的 Offset 属性。

SelectExpression

此表达式（如果未更改任何子级），或带有更新的子级的表达式。

适用于

Update(List<ProjectionExpression>, List<TableExpressionBase>, SqlExpression, List<SqlExpression>, SqlExpression, List<OrderingExpression>, SqlExpression, SqlExpression)

创建一个新的表达式，它类似于此表达式，但使用所提供的子级。如果所有子级均相同，它将返回此表达式。

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression Update (System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.ProjectionExpression> projections, System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase> tables, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression predicate, System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> groupBy, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression having, System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.OrderingExpression> orderings, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression limit, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression offset);

member this.Update : System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.ProjectionExpression> * System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.OrderingExpression> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression

Public Function Update (projections As List(Of ProjectionExpression), tables As List(Of TableExpressionBase), predicate As SqlExpression, groupBy As List(Of SqlExpression), having As SqlExpression, orderings As List(Of OrderingExpression), limit As SqlExpression, offset As SqlExpression) As SelectExpression

参数

projections: List<ProjectionExpression>

结果的 Projection 属性。

tables: List<TableExpressionBase>

结果的 Tables 属性。

predicate: SqlExpression

结果的 Predicate 属性。

groupBy: List<SqlExpression>

结果的 GroupBy 属性。

having: SqlExpression

结果的 Having 属性。

orderings: List<OrderingExpression>

结果的 Orderings 属性。

limit: SqlExpression

结果的 Limit 属性。

offset: SqlExpression

结果的 Offset 属性。

SelectExpression

此表达式（如果未更改任何子级），或带有更新的子级的表达式。

适用于

Update(IReadOnlyList<ProjectionExpression>, IReadOnlyList<TableExpressionBase>, SqlExpression, IReadOnlyList<SqlExpression>, SqlExpression, IReadOnlyList<OrderingExpression>, SqlExpression, SqlExpression, Boolean, String)

注意

Use the overload which does not require distinct & alias parameter.

创建一个新的表达式，它类似于此表达式，但使用所提供的子级。如果所有子级均相同，它将返回此表达式。

[System.Obsolete("Use the overload which does not require distinct & alias parameter.")]
public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression Update (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.ProjectionExpression> projections, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase> tables, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? predicate, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> groupBy, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? having, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.OrderingExpression> orderings, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? limit, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? offset, bool distinct, string? alias);

[<System.Obsolete("Use the overload which does not require distinct & alias parameter.")>]
member this.Update : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.ProjectionExpression> * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.OrderingExpression> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * bool * string -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression

Public Function Update (projections As IReadOnlyList(Of ProjectionExpression), tables As IReadOnlyList(Of TableExpressionBase), predicate As SqlExpression, groupBy As IReadOnlyList(Of SqlExpression), having As SqlExpression, orderings As IReadOnlyList(Of OrderingExpression), limit As SqlExpression, offset As SqlExpression, distinct As Boolean, alias As String) As SelectExpression

参数

projections: IReadOnlyList<ProjectionExpression>

结果的 Projection 属性。

tables: IReadOnlyList<TableExpressionBase>

结果的 Tables 属性。

predicate: SqlExpression

结果的 Predicate 属性。

groupBy: IReadOnlyList<SqlExpression>

结果的 GroupBy 属性。

having: SqlExpression

结果的 Having 属性。

orderings: IReadOnlyList<OrderingExpression>

结果的 Orderings 属性。

limit: SqlExpression

结果的 Limit 属性。

offset: SqlExpression

结果的 Offset 属性。

distinct: Boolean

结果的 IsDistinct 属性。

alias: String

结果的 Alias 属性。

SelectExpression

此表达式（如果未更改任何子级），或带有更新的子级的表达式。

属性: ObsoleteAttribute

适用于

Update(List<ProjectionExpression>, List<TableExpressionBase>, SqlExpression, List<SqlExpression>, SqlExpression, List<OrderingExpression>, SqlExpression, SqlExpression, Boolean, String)

注意

Use the overload which does not require distinct & alias parameter.

创建一个新的表达式，它类似于此表达式，但使用所提供的子级。如果所有子级均相同，它将返回此表达式。

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression Update (System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.ProjectionExpression> projections, System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase> tables, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression predicate, System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> groupBy, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression havingExpression, System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.OrderingExpression> orderings, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression limit, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression offset, bool distinct, string alias);

[System.Obsolete("Use the overload which does not require distinct & alias parameter.")]
public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression Update (System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.ProjectionExpression> projections, System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase> tables, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression predicate, System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> groupBy, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression having, System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.OrderingExpression> orderings, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression limit, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression offset, bool distinct, string alias);

member this.Update : System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.ProjectionExpression> * System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.OrderingExpression> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * bool * string -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression

[<System.Obsolete("Use the overload which does not require distinct & alias parameter.")>]
member this.Update : System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.ProjectionExpression> * System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.List<Microsoft.EntityFrameworkCore.Query.SqlExpressions.OrderingExpression> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * bool * string -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression

Public Function Update (projections As List(Of ProjectionExpression), tables As List(Of TableExpressionBase), predicate As SqlExpression, groupBy As List(Of SqlExpression), havingExpression As SqlExpression, orderings As List(Of OrderingExpression), limit As SqlExpression, offset As SqlExpression, distinct As Boolean, alias As String) As SelectExpression

Public Function Update (projections As List(Of ProjectionExpression), tables As List(Of TableExpressionBase), predicate As SqlExpression, groupBy As List(Of SqlExpression), having As SqlExpression, orderings As List(Of OrderingExpression), limit As SqlExpression, offset As SqlExpression, distinct As Boolean, alias As String) As SelectExpression